77b9f0c79ae8a64eb8d2f6ad82089b44ceda4144a96840d47371548ead61a763

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 08:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Redline_20_2/Redline_20_2_stealer-main/Kurome.Builder/Mono.Cecil.Rocks.pdb
Size

8KB
MD5

4c98b54bf658db95dfb4d1ae6bed2565
SHA1

c5a0035a75f52addeb730102fd67d3c63fe1c815
SHA256

5fcf9491b8d73f1f90a83ee7bda9097043903ba18822f1f22eacf92338b0d619
SHA512

72cf714bc20660f2ab18fbcd74b84e9aa7d85fe77482ebd3b135c5c6db0dc7ab2523c418ca3ff44f301eec66742cea3c11e6c9575bf9cec90906d60a156291b0
SSDEEP

192:bAHD2V/OLaMD04CRS68yhpMqxauyKixCEyKKJA5es:bOC02bHR7ZpMqxnyZx90A0s

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
2580 AcroRd32.exe

pid	process
2580	AcroRd32.exe

pid	process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1732 wrote to memory of 2592	1732	cmd.exe	rundll32.exe
PID 1732 wrote to memory of 2592	1732	cmd.exe	rundll32.exe
PID 1732 wrote to memory of 2592	1732	cmd.exe	rundll32.exe
PID 2592 wrote to memory of 2580	2592	rundll32.exe	AcroRd32.exe
PID 2592 wrote to memory of 2580	2592	rundll32.exe	AcroRd32.exe
PID 2592 wrote to memory of 2580	2592	rundll32.exe	AcroRd32.exe
PID 2592 wrote to memory of 2580	2592	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Rocks.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Rocks.pdb
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2592

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Redline_20_2\Redline_20_2_stealer-main\Kurome.Builder\Mono.Cecil.Rocks.pdb"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
e96e16de422860e414e66ca2eb886f2c

SHA1
6971aa9a2e8b46283879480a368a28f91cf40b9d

SHA256
0b047027dbf88f0943815c2d11e7f5d7c4898b0b5c034e515cef5629b1fe139d

SHA512
01a1428f3bff808ebf9f4a2fceccacdc0ee1f765045d0f6468bf96ad574f1772e0c19f0113b6aa799b55216e3523d88e85d25b5103f938bfd944ef5287c606d5

Download Submit